CHAPTER 9 Provisions relating to specific processing situations Article 85 - Processing and freedom of expression and information Article 86 - Processing and public access to official documents Article 87 - Processing of the national identification number Article 88 - Processing in the context of employment Article 89 - Safeguards and derogations relating to processing for archiving purposes in the public interest, scientific or historical research purposes or statistical purposes Article 90 - Obligations of secrecy Article 91 - Existing data protection rules of churches and religious associations Article 84 Article 85